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A cancelling method based on Nth-order SSC algorithm for solving active cancellation problems

机译:一种基于N阶SSC算法的抵消方法,用于解决主动抵消问题

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摘要

In this paper, a mathematical model of cancelling signal on the basis of Nth-order SSC (Spectrum Spread and Compression) algorithm is established for the Nonlinear Frequency Modulated (NLFM) signal. The explicit expressions of these cancelling signals are derived. Simulation results show that the cancelling signal could reduce the target gain when the time delay is relatively large. The proposed method is compared with the existing methods in the literature and satisfactory results obtained. Comparison between active cancellation technology and passive stealth technology is implemented in detail. The discussions demonstrate that active cancellation technology is more applicable to solve the low-frequency stealth problem. (C) 2017 Elsevier Masson SAS. All rights reserved.
机译:本文建立了基于非线性调频(NLFM)信号的N阶SSC(频谱扩展和压缩)算法的抵消信号数学模型。得出这些抵消信号的显式表达式。仿真结果表明,当时延较大时,抵消信号会降低目标增益。将所提出的方法与文献中的现有方法进行比较,并获得令人满意的结果。详细介绍了主动抵消技术和被动隐身技术之间的比较。讨论表明,主动消除技术更适用于解决低频隐身问题。 (C)2017 Elsevier Masson SAS。版权所有。

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